North America Native Plant

Colorado Blazingstar

Botanical name: Mentzelia marginata

USDA symbol: MEMA5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Nuttallia marginata Osterh. (NUMA)   

Colorado Blazingstar: A Hidden Gem for Drought-Tolerant Gardens If you’re searching for a show-stopping native perennial that laughs in the face of drought, let me introduce you to Colorado blazingstar (Mentzelia marginata). This southwestern beauty might not be on every gardener’s radar yet, but it absolutely should be – especially ...

Rare plant alert!

Region: Conservation status by state

Status: S3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Colorado Blazingstar: A Hidden Gem for Drought-Tolerant Gardens

If you’re searching for a show-stopping native perennial that laughs in the face of drought, let me introduce you to Colorado blazingstar (Mentzelia marginata). This southwestern beauty might not be on every gardener’s radar yet, but it absolutely should be – especially if you’re passionate about water-wise gardening and supporting native pollinators.

Meet the Colorado Blazingstar

Colorado blazingstar is a true native treasure, naturally found across Colorado, New Mexico, and Utah. As a member of the blazingstar family, this perennial forb (that’s garden-speak for a non-woody flowering plant) produces some of the most spectacular blooms you’ll find in the arid Southwest. The plant is also known by its scientific synonym Nuttallia marginata, though most gardeners will recognize it by its more memorable common name.

This native spans across the southwestern United States, thriving in the challenging conditions that would leave many garden favorites gasping for water.

Why You’ll Fall in Love with This Plant

The star of the show is definitely the flowers – and what flowers they are! Picture bright golden-yellow blooms that can reach 2 to 4 inches across, adorned with a spectacular crown of prominent stamens that create an almost firework-like display. These beauties have a quirky habit of opening in the evening or on cloudy days, making them perfect for gardeners who enjoy their outdoor spaces during cooler parts of the day.

As a drought-tolerant native, Colorado blazingstar brings both beauty and ecological value to your landscape. The flowers are magnets for pollinators, particularly evening-active species like moths, along with bees and butterflies who visit during cooler daylight hours.

Perfect Garden Companions and Placement

Colorado blazingstar shines brightest in:

  • Xeriscaping and drought-tolerant gardens
  • Native plant landscapes
  • Rock gardens and naturalized areas
  • Pollinator gardens focused on native species

This plant plays beautifully with other southwestern natives and works exceptionally well as a focal point in rock gardens or as part of a naturalized prairie-style planting.

Growing Colorado Blazingstar Successfully

The good news is that once you get your hands on this plant, it’s refreshingly easy to grow. Colorado blazingstar thrives in USDA hardiness zones 4 through 8, making it suitable for a wide range of climates.

Site Selection and Soil

Choose a spot with full sun and – this is crucial – excellent drainage. This plant absolutely despises wet feet and will quickly succumb to root rot in heavy, moisture-retentive soils. Sandy or rocky soils are ideal, mimicking its natural habitat.

Watering and Maintenance

Once established, Colorado blazingstar requires minimal water – a true gift for water-conscious gardeners. During its first growing season, provide occasional deep watering to help establish the root system, then step back and let nature take over. Overwatering is more likely to harm this plant than drought.

Care Tips for Success

  • Avoid fertilizing – rich soils can actually weaken the plant
  • Allow the plant to self-seed if you want more blazingstars
  • Minimal pruning needed – just remove spent flowers if desired
  • Winter protection typically isn’t necessary within its hardiness range

A Word About Responsible Sourcing

Here’s something important to keep in mind: Colorado blazingstar has a Global Conservation Status of S3Q, indicating it may have limited populations in the wild. If you’re interested in adding this beauty to your garden, please source your plants or seeds from reputable native plant nurseries that ethically propagate their stock rather than wild-collecting.

This responsible approach helps ensure that wild populations remain stable while still allowing gardeners to enjoy and help preserve this remarkable native species.

The Bottom Line

Colorado blazingstar offers everything a modern gardener could want: stunning flowers, minimal water needs, pollinator appeal, and true native credentials. While it may require a bit of hunting to find at nurseries, this hidden gem is absolutely worth the effort for gardeners in suitable climates who want to create beautiful, sustainable landscapes that support local ecosystems.

With its spectacular evening blooms and rock-solid drought tolerance, Colorado blazingstar proves that native plants can be both practical and breathtakingly beautiful. Give this southwestern star a try – your garden (and local pollinators) will thank you.

Colorado Blazingstar

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Violales

Family

Loasaceae Juss. - Loasa family

Genus

Mentzelia L. - blazingstar

Species

Mentzelia marginata (Osterh.) H.J. Thomp. & Prigge - Colorado blazingstar

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA